The towering hump is a unique magic weapon for camels. According to the number of humps, camels can be divided into two types: single-humped camels and double-humped camels. Camels need to be full before they leave, and nutrients are stored in the hump in the form of fat. Once it enters the desert, it depends on it.
Crossing the desert requires water, and the camel's thirst-tolerance stunt is combination boxing. The first is to save water. Camels have few sweat glands and hardly sweat; Feces are also drier than other mammals; And it also has a strong kidney, which can prevent urine from discharging too much water. What's more, camels don't even let go of their anger. When exhaling, the nostrils will be like a condenser, recycling the water around the nostrils to prevent water loss. When the air humidity increases at night, its nostrils can condense water from the air. The second is to store water. If the bactrian camel can drink 1 14 liter of water in 10 minutes, that would be great! This is because it has a water storage bag in its body. And its red blood cells have adapted to this change and will not rupture and die under the extreme change of blood water content.
Camels also have clever tricks to deal with sandstorms. Its eyelashes are long and dense, which can prevent sand from blowing into the eyes. There are also valves in the nostrils to prevent sandstorms. Even the ears are round and small, full of ear hair, enough to keep out the wind and sand.
The heat can't stop camels from walking. At 50℃, they remain unchanged, and their body temperature can change slightly according to the temperature. Walking on the hot beach, the camel's broad sole can not only resist heat, but also prevent it from sinking. Camels can also rest on the hot beach-their breasts and knees are covered with meat pads. Before lying down, its front legs pushed forward, its rear legs pushed back, pushed away the hot sand on the surface, and then put meat on the ground. The meat pad not only insulates the heat, but also leaves a certain space between the camel and the ground, which can be ventilated and convenient for heat dissipation.
Although camels have unique skills to survive in the desert, unfortunately, under the interference of human activities, wild camels are very rare. The wild dromedary was extinct at least 2000 years ago, and the wild bactrian camel was once considered extinct. The occasional "wild camel" is thought to be formed by wild camels. From 65438 to 0999, things got better. Genetic testing showed that the genetic difference between wild camels and domestic camels found in Lop Nur, Xinjiang, China reached 3%, exceeding the genetic difference between humans and chimpanzees. Studies have confirmed that this is the only remaining wild camel population in the world. Later, the Altun Mountain-Lop Nur Wild Bactrian Camel Nature Reserve became the only wild camel habitat in the world. Now, there are less than 1000 wild camels left, which is more precious than the giant panda.